Toolmall R134A Recharge Measuring Kit Air Conditioner Conditioning Gauge System Hose The Left length:13cm(0.35inches)&The right length: 13cm(0.35inches) The middle: Low-pressure regulator 200PSI Material: Plastic, metal, High pressure resistant hose Built-in safety valve to prevent accidental venting of refrigerant A brand-new, unused, unopened, undamaged item, Easy to use and install